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For the 5th (trigeminal) nerve, the 3 sensory divisions (ophthalmic, maxillary, mandibular) are evaluated by using a pinprick to test facial sensation and by brushing a wisp of cotton against the lower or lateral cornea to evaluate the corneal reflex.
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11 kwi 2019 · Cranial nerve IX is the glossopharyngeal nerve, important for parasympathetic, motor and sensory innervation of the tongue, pharynx and larynx. Here, we break down the different anatomical structures contributing to the glossopharyngeal nerve and discuss its clinical relevance.
The glossopharyngeal nerve (/ ˌ ɡ l ɒ s oʊ f ə ˈ r ɪ n (d) ʒ i ə l,-ˌ f ær ən ˈ dʒ iː ə l / [1]), also known as the ninth cranial nerve, cranial nerve IX, or simply CN IX, [2] is a cranial nerve that exits the brainstem from the sides of the upper medulla, just anterior (closer to the nose) to the vagus nerve. Being a mixed ...
25 paź 2020 · The glossopharyngeal nerve supplies sensory innervation to the oropharynx, and thus carries the afferent information for the gag reflex. When a foreign object touches the back of the mouth, this stimulates CNIX, beginning the reflex. The efferent nerve in this process is the vagus nerve, CNX.
5 wrz 2010 · A step-by-step approach to cranial nerve examination in an OSCE setting, with an included video demonstration and interactive OSCE checklist.
7 lis 2022 · Idiopathic glossopharyngeal neuralgia is caused by compression of cranial nerve IX by a vessel or dysfunction of the central pons. In contrast, secondary glossopharyngeal neuralgia can result from trauma, neoplasm, infection of the throat, surgery, or malformations.
The glossopharyngeal nerve (Cranial Nerve IX) is a mixed nerve which transmits both motor (efferent) and sensory (afferent) impulses with contribution from four nuclei – a pair of motor and sensory nuclei each, in the medulla oblongata. [1]
